Equinox: The word ‘equinox’ is derived from the Latin words meaning ‘equal night.’ All over the world, days and nights are approximately equal. On the equinox, the sun rises exactly in the east and sets exactly in the west. There are two equinoxes every year, one in the spring (vernal) and one in the fall (autumnal).
At the equinoxes, the tilt of Earth relative to the Sun is zero, which means that Earth’s axis neither points toward nor away from the Sun. However, the tilt of Earth relative to its plane of orbit, called the ecliptic plane, is always about 23.5 degrees.
FYI: According to folklore, you can stand a raw egg on its end on the equinox. Is this true?
One spring, a few minutes before the vernal equinox, several Almanac editors tried this trick. For a full workday, 17 out of 24 eggs stood standing. Three days later, they tried this trick again and found similar results. Perhaps three days after the equinox was still too near. Try this yourself and let Almanac know what happens!